20674550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1871}}^1$

素因数の和:1913

約数の個数: 48

約数和(自身を含む): 43872192

約数和(自身を除く): 23197642

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 1871, 2210, 3742, 5525, 9355, 11050, 18710, 24323, 31807, 46775, 48646, 63614, 93550, 121615, 159035, 243230, 318070, 413491, 608075, 795175, 826982, 1216150, 1590350, 2067455, 4134910, 10337275, 20674550]

約数ペア:

[(1, 20674550), (2, 10337275), (5, 4134910), (10, 2067455), (13, 1590350), (17, 1216150), (25, 826982), (26, 795175), (34, 608075), (50, 413491), (65, 318070), (85, 243230), (130, 159035), (170, 121615), (221, 93550), (325, 63614), (425, 48646), (442, 46775), (650, 31807), (850, 24323), (1105, 18710), (1871, 11050), (2210, 9355), (3742, 5525)]